WMSIC Electronic Components

cjiang FTC322510S3R3MBCA

ModelFTC322510S3R3MBCA
PackageSMD,2.5x3.2mm
Brandcjiang
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
cjiang FTC322510S3R3MBCA
Type
CJIANG
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FTC322510S3R3MBCA
Electronic Component
1
Package
SMD,2.5x3.2mm
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.075g
Inductor
3.3uH
Electronic Component
1
Electronic Component
BM0265139708
Current
2.7A
Resistor(DCR)
105mΩ
Electronic Component
Electronic Component
Electronic Component
3000
and Current(Isat)
3.7A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

FTC322510S3R3MBCA — 3.3µH 功率电感器产品概述

一、产品概况

FTC322510S3R3MBCA 是长江微电(cjiang)推出的一款表面贴装功率电感,标称电感值3.3µH,容差±20%。器件采用紧凑封装(SMD,2.5×3.2mm),专为空间受限且要求较高电流承载能力的电源应用设计。

二、主要电气参数

  • 电感值:3.3µH(±20%)
  • 额定直流电流(Irms/Idc):2.7A(持续工作电流建议不超过此值)
  • 饱和电流(Isat):3.7A(电感值下降到标称值一定比例时的参考)
  • 直流电阻(DCR):约105mΩ
  • 封装/尺寸:SMD,2.5 × 3.2 mm

三、产品特点

  • 小尺寸、高密度:2.5×3.2mm的贴片封装,有利于高密度布板与体积受限设计;
  • 较高电流承载能力:额定电流2.7A,饱和电流3.7A,适合中小功率开关电源和点对点供电;
  • 以DCR为主要损耗指标,便于在效率与发热间进行设计权衡。

四、典型应用场景

  • DC-DC降压(Buck)转换器输出滤波或能量储存;
  • 手机、平板、便携式设备的电源管理模块;
  • LED驱动、小功率电机驱动及通用电源滤波电路;
  • 各类消费电子与工业控制终端的局部电源模块。

五、设计与选型建议

  • 电流裕度:实际应用中应保证工作电流低于额定电流2.7A,同时在瞬态冲击时留有足够裕度,不接近Isat以免电感值骤降影响稳定性;
  • 损耗考虑:DCR 约105mΩ,会造成一定的I^2R损耗,选型时需评估效率与发热,必要时增加散热或选择更低DCR型号;
  • 高频性能:当工作频率较高时,应关注电感的频率特性和磁芯损耗,结合实际电路测量纹波电流和电压响应;
  • 布局建议:靠近开关器件与输出电容布局,减小回流环路面积,保证焊盘可靠焊接,提高热传导。

六、封装与可靠性

该器件为SMD封装,适合自动贴装与回流焊工艺。建议按照IC厂常规回流焊曲线进行焊接,并遵循制造商的推荐焊盘尺寸与焊膏用量。存储与使用时注意防潮防尘,长期高温环境下应评估电感参数漂移与寿命。

七、总结

FTC322510S3R3MBCA 以其紧凑的2.5×3.2mm封装与2.7A的额定电流,适合要求体积小、负载中等的开关电源及电源管理场景。在选型时重点关注实际工作电流、纹波电流和DCR引入的损耗,根据热设计和电路要求合理留裕并验证电磁兼容与热稳定性。若需替代或并联使用,应综合考虑电感一致性和饱和特性。

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